Add MakeDeps example

[uilianries]

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Some of Poco deps requires GCC >=7

• [x] Tested locally on Linux
• [x] Tested locally on OSX
• [ ] ~Tested locally on Windows~

No support for Windows now, let's postpone it as will require msys2

[uilianries]

It fails because MakeDeps is not available yet in current version.

[uilianries]

We can not use Poco, because we will need C++17:

libmysqlclient/8.0.31: Cannot build for this configuration: Current cppstd (gnu14) is lower than the required C++ standard (17).

[czoido]

Great! Just a two things:

• Don't forget to update the README for the corresponding section of the examples2 repo
• All examples should have a corresponding documentation. Is there a corresponding PR for the docs too?

[uilianries]

• [x] Update the README for the corresponding section of the examples2 repo
• [x] All examples should have a corresponding documentation.

[uilianries]

@czoido Yes, now is everything correct:

• README has a new entry pointing to MakeDeps example
• There is a new PR in docs related to this example: https://github.com/conan-io/docs/pull/3364